var agt = navigator.userAgent.toLowerCase();
var is_ie = ((agt.indexOf("msie") != -1) && (agt.indexOf("opera") == -1));


function reload_validate_img(){
	var url	  = ajaxurl + '?action=reload_validate_img';
	var param = '';
	send_request(url,reload_validate_img_response,param);
}
function reload_validate_img_response(){
	var msg = http_request.responseText;
	var oimg	= GE('validate_img');
	oimg.src	= msg;
}